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How to Quickly Choose and Order the Right Linear Guide | Linear Guide Manufacturer Tips

How to Quickly Choose and Order the Right Linear Guide | Linear Guide Manufacturer Tips

2025-11-12
11 Core Factors & a Quick Decision Method: Choose the Right Linear Guide with Confidence

Eliminate guesswork when ordering linear guides. By focusing on core parameters to set direction and detail requirements to fine‑tune selection, you can identify the best‑fit product quickly.

Precision Linear Motion Starts with the Right Choice

Trusted Linear Guide Manufacturer — Fast Response • Accurate Selection • Long‑Term Reliability

I. Define the Core Parameters — Three Steps to Narrow Your Selection
1. Choose the Correct Block Type
  • Flange Type — Side‑mount friendly and stable; ideal for automation frames and side‑loaded systems.
  • Square Type — Compact and rigid; best for top‑mount installations with limited space.
  • Low‑Profile Square — Lightweight with reduced height; suitable for compact 3C assembly lines.

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2. Match the Rolling Element
  • Ball Type — Smooth, low friction; perfect for high‑speed, light‑load systems.
  • Roller Type — Line contact with superior rigidity; for heavy‑duty equipment and machine tools.
  • Miniature Type — Compact and precise; for medical instruments and micro robots.latest company case about [#aname#]
3. Determine the Rail Size

Standard widths: 15, 20, 25, 30, 35, 45, 55, 65 mm.

  • Light load: 15–25 mm for compact devices.
  • Medium load: 30–45 mm for assembly tables or conveyors.
  • Heavy load: 55–65 mm+ for industrial machines.

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II. Define the Performance Requirements — Match the Application
4. Confirm the Load Type

Specify heavy or super heavy load, or provide static and dynamic load data including inertia. This ensures proper sizing and avoids overload issues.

5. Select the Block Mounting Method
  • Mounting from Top: Screws fasten from the top — easy installation for top mounting.
  • Mounting from Bottom: Screws fasten from underneath — hidden fixation for side or bottom mounts.
  • Mounring from Top or Bottom: Top or bottom options for flexible machine design.
6. Choose the Accuracy Grade (JIS)
Grade Description Typical Application
C (Normal) Standard accuracy General conveyors and transport systems
H (High) Improved precision Standard automation and machinery
P (Precision) Tight tolerance CNC machines and robotics
SP (Super Precision) Ultra‑high accuracy Semiconductor or precision machining centers
7. Select the Preload Level
Preload Characteristics Recommended Use
Z0 (Light) Low resistance and smoother motion High‑speed, light‑load systems
Z1 (Medium) Balance between rigidity and lifespan General automation
Z2 (Heavy) Maximum rigidity with zero clearance Precision machining applications
III. Add the Finishing Details — Avoid Rework Later
8. Confirm Special Machining
  • Customized hole patterns — adjust spacing or hole quantity.
  • Non‑standard lengths — cut or extend beyond 2000 mm as required.
  • Material options — stainless steel for corrosion or heat‑resistant alloys for high‑temperature use.
9. Add Protective Accessories
  • Dust protection: End seals, wipers, or covers.
  • Lubrication systems: Self‑lubricating modules or grease nipples.
  • Corrosion resistance: Special coatings or sealing solutions.

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10. Decide the Number of Blocks per Rail
  • Single rail: Use at least two blocks for stability.
  • Worktable systems: Use 2–4 blocks per rail, spaced evenly for load balance.
  • Example: A 3‑meter table may require 3 blocks per rail for proper support.

11. Confirm Rail Length and Fixing Method
  • Rail length: Travel distance + 50–100 mm allowance (e.g., 500 mm travel → 600 mm rail).
  • Fixing style: Bottom mount (standard) or side mount — confirm base thickness for rigidity.